A disadvantage of injection molding is that ____.     ?

A. ?it has low output rates
B. ?molding machines are costly 
C. ?fillers and inserts cannot be used
D. ?only one material may be injection molded


Answer: B

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Alternators induce voltage by rotating which of these?

A) Conductor around a fixed stator
B) Diodes inside a magnetic field
C) Magnetic field inside a fixed conductor
D) Stator inside a magnetic field

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Which item is a computer input sensor?

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